55583874 has 16 divisors (see below), whose sum is σ = 123519840. Its totient is φ = 18527940.

The previous prime is 55583867. The next prime is 55583887. The reversal of 55583874 is 47838555.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514612 + ... + 514719.

It is an arithmetic number, because the mean of its divisors is an integer number (7719990).

Almost surely, 2^55583874 is an apocalyptic number.

55583874 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

55583874 is an abundant number, since it is smaller than the sum of its proper divisors (67935966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55583874 is a wasteful number, since it uses less digits than its factorization.

55583874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029342 (or 1029336 counting only the distinct ones).

The product of its digits is 672000, while the sum is 45.

The square root of 55583874 is about 7455.4593419856. The cubic root of 55583874 is about 381.6362362251.

The spelling of 55583874 in words is "fifty-five million, five hundred eighty-three thousand, eight hundred seventy-four".